<div class="panel panel-default panel-intro">
    <div class="panel-heading">
        <h3 class="panel-title">扫码统计</h3>
    </div>
    <div class="panel-body">
        <div class="row">
            <div class="col-md-3">
                <div class="info-box">
                    <span class="info-box-icon bg-blue"><i class="fa fa-qrcode"></i></span>
                    <div class="info-box-content">
                        <span class="info-box-text">总二维码数</span>
                        <span class="info-box-number" id="total-qrcodes">0</span>
                    </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="info-box">
                    <span class="info-box-icon bg-green"><i class="fa fa-check"></i></span>
                    <div class="info-box-content">
                        <span class="info-box-text">已使用</span>
                        <span class="info-box-number" id="used-qrcodes">0</span>
                    </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="info-box">
                    <span class="info-box-icon bg-yellow"><i class="fa fa-clock-o"></i></span>
                    <div class="info-box-content">
                        <span class="info-box-text">未使用</span>
                        <span class="info-box-number" id="unused-qrcodes">0</span>
                    </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="info-box">
                    <span class="info-box-icon bg-red"><i class="fa fa-mobile"></i></span>
                    <div class="info-box-content">
                        <span class="info-box-text">总扫码次数</span>
                        <span class="info-box-number" id="total-scans">0</span>
                    </div>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-6">
                <div class="box">
                    <div class="box-header with-border">
                        <h3 class="box-title">今日扫码统计</h3>
                    </div>
                    <div class="box-body">
                        <div class="info-box">
                            <span class="info-box-icon bg-purple"><i class="fa fa-calendar"></i></span>
                            <div class="info-box-content">
                                <span class="info-box-text">今日扫码次数</span>
                                <span class="info-box-number" id="today-scans">0</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-md-6">
                <div class="box">
                    <div class="box-header with-border">
                        <h3 class="box-title">使用率统计</h3>
                    </div>
                    <div class="box-body">
                        <div class="progress-group">
                            <span class="progress-text">二维码使用率</span>
                            <span class="float-right"><b id="usage-rate">0</b>/100</span>
                            <div class="progress progress-sm">
                                <div class="progress-bar bg-green" id="usage-progress" style="width: 0%"></div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
